Jan 20, 2013 · Is it possible to add metadata to JavaScript objects (including strings, numbers and functions)? That is, double = function(a){ return a*2; }; addMetadata(double,{desc:"Returns the double of a number."}); getMetadata(double).desc; How could addMetadata and getMetadata be …

Sep 23, 2011 · The problem with complex websites and metadata is that meta tags not always have the itemprop attribute. And in some case they have itemprop only but not a name attribute. With this script you can get all the Meta with an itemprop attribute and print its content.

May 24, 2011 · Add metadata to JavaScript objects. 6. Get meta data attribute in javascript. 0.

Mar 30, 2014 · You can get document basic metadata info from PDFViewerApplication.documentInfo object. For eg: to get Author use PDFViewerApplication.documentInfo.Author Share

Jul 31, 2012 · I would like to add key-value pairs of metadata to arbitrary JavaScript objects. This metadata should not affect code that is not aware of the metadata, that means for example. JSON.stringify(obj) === JSON.stringify(obj.WithMetaData('key', 'value')) MetaData aware code should be able to retrieve the data by key, i.e.

Mar 18, 2015 · Retriving the content of meta tag by language in JavaScript. 0. document.querySelector is null vuejs laravel.

I want to be able to add Share buttons for facebook/twitter, but I cannot get them to work and present themselves properly with the correct metadata (image and title). So I was thinking of putting the Share buttons in the player iframe as well and then update the metadata tags dynamically when a video change occurs, but am unsure as to how to ...

Jul 31, 2012 · I am allowing my users to upload mp3 files just so I can read the metadata and extract the Song Title and Singer Name. At the moment I am uploading the file and using getId to read the meta data. The upload of course takes a lot of resources and bandwidth.

Sep 19, 2013 · Using HTML5 I am trying to get the attribute (ie rotation), located in the header of a mp4 (I play it using a video tag), to do this I am trying to get the bytes that make up the header, and knowin...

Jul 28, 2020 · I just start to using java script and I want to fetch metadata from the URL ... when enter any URL into the input field ,it has to pull meta data from it, this is the basic usage using in html java-script when executing code throwing error